internal void InitSpecialRuleRef(Backend backend, ParseElementCollection parent)
{
Rule rule = null;
switch (_type)
{
case SpecialRuleRefType.Null:
parent.AddArc(backend.EpsilonTransition(1f));
break;
case SpecialRuleRefType.Void:
rule = backend.FindRule("VOID");
if (rule == null)
{
rule = backend.CreateRule("VOID", (SPCFGRULEATTRIBUTES)0);
((IElement)rule).PostParse((IElement)parent);
}
parent.AddArc(backend.RuleTransition(rule, parent._rule, 1f));
break;
case SpecialRuleRefType.Garbage:
{
OneOf oneOf = new OneOf(parent._rule, backend);
oneOf.AddArc(backend.RuleTransition(CfgGrammar.SPRULETRANS_WILDCARD, parent._rule, 0.5f));
oneOf.AddArc(backend.EpsilonTransition(0.5f));
((IElement)oneOf).PostParse((IElement)parent);
break;
}
}
}
public Subset(ParseElementCollection parent, Backend backend, string text, MatchMode mode)
: base(parent._rule)
{
char[] achTrimChars = Helpers._achTrimChars;
foreach (char c in achTrimChars)
{
if (c != ' ' && text.IndexOf(c) >= 0)
{
text = text.Replace(c, ' ');
}
}
parent.AddArc(backend.SubsetTransition(text, mode));
}
internal RuleRef(ParseElementCollection parent, Backend backend, Uri uri, List <Rule> undefRules, string semanticKey, string initParameters)
: base(parent._rule)
{
string originalString = uri.OriginalString;
Rule rule = null;
int num = originalString.IndexOf('#');
if (num == 0)
{
rule = GetRuleRef(backend, originalString.Substring(1), undefRules);
}
else
{
StringBuilder stringBuilder = new StringBuilder("URL:");
if (!string.IsNullOrEmpty(initParameters))
{
stringBuilder.Append((num > 0) ? originalString.Substring(0, num) : originalString);
stringBuilder.Append('>');
stringBuilder.Append(initParameters);
if (num > 0)
{
stringBuilder.Append(originalString.Substring(num));
}
}
else
{
stringBuilder.Append(originalString);
}
string text = stringBuilder.ToString();
rule = backend.FindRule(text);
if (rule == null)
{
rule = backend.CreateRule(text, SPCFGRULEATTRIBUTES.SPRAF_Import);
}
}
Arc arc = backend.RuleTransition(rule, _rule, 1f);
if (!string.IsNullOrEmpty(semanticKey))
{
backend.AddPropertyTag(arc, arc, new CfgGrammar.CfgProperty
{
_pszName = "SemanticKey",
_comValue = semanticKey,
_comType = VarEnum.VT_EMPTY
});
}
parent.AddArc(arc);
}
private void ParseToken(ParseElementCollection parent, string sToken, string pronunciation, string display, float reqConfidence)
{
int requiredConfidence = parent?._confidence ?? 0;
sToken = Backend.NormalizeTokenWhiteSpace(sToken);
if (string.IsNullOrEmpty(sToken))
{
return;
}
parent._confidence = 0;
if (reqConfidence < 0f || reqConfidence.Equals(0.5f))
{
parent._confidence = 0;
}
else if ((double)reqConfidence < 0.5)
{
parent._confidence = -1;
}
else
{
parent._confidence = 1;
}
if (pronunciation != null || display != null)
{
string text = EscapeToken(sToken);
string text2 = (display == null) ? text : EscapeToken(display);
if (pronunciation != null)
{
OneOf oneOf = (pronunciation.IndexOf(';') >= 0) ? new OneOf(parent._rule, _backend) : null;
int num = 0;
int num2 = 0;
while (num < pronunciation.Length)
{
num2 = pronunciation.IndexOf(';', num);
if (num2 == -1)
{
num2 = pronunciation.Length;
}
string text3 = pronunciation.Substring(num, num2 - num);
string text4 = null;
switch (_backend.Alphabet)
{
case AlphabetType.Sapi:
text4 = PhonemeConverter.ConvertPronToId(text3, _grammar.Backend.LangId);
break;
case AlphabetType.Ipa:
text4 = text3;
PhonemeConverter.ValidateUpsIds(text4);
break;
case AlphabetType.Ups:
text4 = PhonemeConverter.UpsConverter.ConvertPronToId(text3);
break;
}
string sWord = string.Format(CultureInfo.InvariantCulture, "/{0}/{1}/{2};", new object[3]
{
text2,
text,
text4
});
if (oneOf != null)
{
oneOf.AddArc(_backend.WordTransition(sWord, 1f, requiredConfidence));
}
else
{
parent.AddArc(_backend.WordTransition(sWord, 1f, requiredConfidence));
}
num = num2 + 1;
}
((IElement)oneOf)?.PostParse((IElement)parent);
}
else
{
string sWord2 = string.Format(CultureInfo.InvariantCulture, "/{0}/{1};", new object[2]
{
text2,
text
});
parent.AddArc(_backend.WordTransition(sWord2, 1f, requiredConfidence));
}
}
else
{
parent.AddArc(_backend.WordTransition(sToken, 1f, requiredConfidence));
}
}